KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
EPB-TBM tunnelling issues on mixed faced ground at tabriz
Mixed face ground condition is one of the most TBM tunnelling challenges in all over the world. Underground construction of Tabriz Metro (line-1) involved boring twin tunnel with Earth Pressure Balance (EPB) machine in alluvial deposits.Learn More
Urban Tunnelling: Constraints and Challenges - aftes.asso.fr
Urban Tunnelling: Constraints and Challenges Master Course on Tunnels and Underground Space Prof. Andre Assis, PhD (University of Brasilia / ITA)Learn More
Custom House – Atkins
As the only above ground station in Crossrail’s central section, Custom House provides an important connection for London commuters. A joint team from Atkins, Arup, Allies & Morrison, Crossrail and Laing O’Rourke collaborated to develop the striking desigLearn More
PDF The Greatest Challenges in TBM Tunneling: Experiences from
The Greatest Challenges in TBM Tunneling: Experiences from the Field Jim Clark and Steve Chorley The Robbins Company ABSTRACT: TBM tunneling is an ever-increasing prospect for underground construction, and with each new tunnel bored there are unknown elemLearn More
TBMs: Capabilities, Limitations and Challenges | SpringerLink
The Tunnel Boring Machine (TBM) ... This paper presents the capabilities, limitations and challenges of TBM method by a study of various case projects, and proposes effective countermeasures towards bad geological conditions. ... Zhao, J., et al.: TunnellLearn More
Successful Tunnelling in Challenging Mountainous
These difficulties of tunnelling at depth through high mountainous terrain pose major challenges not just for tunnel boring machines (TBM) but also for use of drill and blast (D&B) and New Austrian Tunneling Method (NATM) approaches.Learn More
Choice of TBM type for mountain tunnelling under very poor
the challenges of mountain tunnelling In mountain tunneling the following phenomena might occur: seismicity & asymmetric stresses, hard and/or abrasive rock, high water inflow, wedge instability and rock fall, caving, squeezing, karsism,Learn More
Advanced Technologies Help to Overcome Tunneling Challenges
Advanced Technologies Help to Overcome Tunneling Challenges, ... TBM. Tunnel boring machines are very cost effective for constructing tunnels with a length of at ...Learn More
Tunnelling in Malaysia - tunnel
International/TBM Tunnelling in Malaysia. Quelle ... Malaysia’s unprecedented Tunnelling Challenges. The slurry TBM can normally deal with unexpected cavities if ...Learn More
A review of rock cutting for underground mining: past
WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South AfricaLearn More
Hard rock tunnel boring machine penetration test as an
Hard rock tunnel boring machine penetration test as an indicator of chipping process efficiencyLearn More
Challenges in the Design and Construction of Tunnels and
Construction of Tunnels and Undergrounds Structures 6-7 April 2017, 9.00AM-5.00PM Swissotel Merchant Court Hotel PDU: TBA STU: TBA . Time Day 1 Programme Speaker 8.15am Registration 9.00am Welcome Address by Societies President, 3 Minutes Each 9.10am DesiLearn More
News / Events - Tunnel Boring Machines, aeronautics
NFM supplies winches for the 2 FPSO Kaombo North & South. On behalf of SAIPEM, NFM Technologies will build 2 riser pulling systems and anchoring chains for …Learn More
TUNNELLING IN ROCKS – PRESENT TECHNOLOGY AND FUTURE CHALLENGES
TUNNELLING IN ROCKS – PRESENT TECHNOLOGY AND FUTURE CHALLENGES ZHAO Jian ... TBM tunnelling, anchored and frictional bolts are used. To combine initial andLearn More
Challenges and opportunities of using tunnel boring machines
Challenges and opportunities of using tunnel boring machines in mining. ... Weak ground conditions were the biggest challenge to TBM tunnelling in the history, ...Learn More
Small Tunnels, Big Challenges - Tunnel Business Magazine
Small Tunnels, Big Challenges 0. ... can sometimes be more challenging than large diameter tunneling. The limited space behind the TBM causes logistical issues with ...Learn More
Hochtief Murphy wins tunnel for £2.4bn York potash mine
A joint venture between Murphy and Hochtief has been named preferred bidder for the main tunnelling contract for the planned £2.4bn potash mine in North Yorkshire. Sirius Minerals, a fertilizer producer, hopes to start preparatory building work at the sitLearn More
Prime Minister and Mayor of London celebrate completion of
Crossrail’s 26 mile tunnelling marathon complete Focus shifts to huge task of fitting out new tunnels and stations Crossrail programme is now over 65 per cent complete and is on time and on budget Download Crossrail Media Briefing Note - End of CrossrailLearn More
Nine Ways to Extend the Life of a Tunnel Boring Machine
Long distance TBM design makes tunnelling over 15 km a reality. Today’s Tunnel Boring Machines are often required to bore longer tunnels in harder rock at a faster pace – a trio of challenges that can be daunting for any contractor.Learn More
Research Reports, India InfrastructurePower, Oil, Gas
Multi-client research India Infrastructure publishes multi-client research reports in the areas of energy, transportation, urban infrastructure, telecommunications, and infrastructure finance.Learn More